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| 1 # Copyright 2015 The Chromium Authors. All rights reserved. | |
| 2 # Use of this source code is governed by a BSD-style license that can be | |
| 3 # found in the LICENSE file. | |
| 4 | |
| 5 import json | |
| 6 import os | |
| 7 import sys | |
| 8 import tempfile | |
| 9 import threading | |
| 10 | |
| 11 # TODO(jbudorick): Update this once dependency_manager moves to catapult. | |
| 12 _TELEMETRY_PATH = os.path.abspath(os.path.join( | |
| 13 os.path.dirname(__file__), os.pardir, os.pardir, os.pardir, | |
| 14 'tools', 'telemetry')) | |
| 15 sys.path.append(_TELEMETRY_PATH) | |
| 16 from catapult_base import dependency_manager # pylint: disable=import-error | |
| 17 | |
| 18 _ANDROID_BUILD_TOOLS = {'aapt', 'dexdump', 'split-select'} | |
| 19 | |
| 20 _DEVIL_DEFAULT_CONFIG = os.path.abspath(os.path.join( | |
| 21 os.path.dirname(__file__), 'devil_dependencies.json')) | |
| 22 | |
| 23 | |
| 24 class _Environment(object): | |
| 25 | |
| 26 def __init__(self): | |
| 27 self._config = None | |
| 28 self._config_init_lock = threading.Lock() | |
| 29 self._dm = None | |
| 30 | |
| 31 def Initialize(self, configs=None, config_files=None): | |
| 32 """Initialize devil's environment from configuration files. | |
| 33 | |
| 34 This uses all configurations provided via |configs| and |config_files| | |
| 35 to determine the locations of devil's dependencies. Configurations should | |
| 36 all take the form described by catapult_base.dependency_manager.BaseConfig. | |
| 37 If no configurations are provided, a default one will be used if available. | |
| 38 | |
| 39 Args: | |
| 40 configs: An optional list of dict configurations. | |
| 41 config_files: An optional list of files to load | |
| 42 """ | |
| 43 | |
| 44 # Make sure we only initialize self._config once. | |
| 45 with self._config_init_lock: | |
| 46 if self._config is not None: | |
| 47 return | |
| 48 self._config = {} | |
| 49 | |
| 50 self._InitializeRecursive( | |
| 51 configs=configs, config_files=config_files) | |
| 52 | |
| 53 def _InitializeRecursive(self, configs=None, config_files=None): | |
| 54 # This recurses through configs to create temporary files for each and | |
| 55 # take advantage of context managers to appropriately close those files. | |
| 56 # TODO(jbudorick): Remove this recursion if/when dependency_manager | |
| 57 # supports loading configurations directly from a dict. | |
| 58 if configs: | |
| 59 with tempfile.NamedTemporaryFile() as next_config_file: | |
| 60 next_config_file.write(json.dumps(configs[0])) | |
| 61 next_config_file.flush() | |
| 62 self._InitializeRecursive( | |
| 63 configs=configs[1:], | |
| 64 config_files=[next_config_file.name] + (config_files or [])) | |
| 65 else: | |
| 66 config_files = config_files or [] | |
| 67 if 'DEVIL_ENV_CONFIG' in os.environ: | |
| 68 config_files.append(os.environ.get('DEVIL_ENV_CONFIG')) | |
| 69 config_files.append(_DEVIL_DEFAULT_CONFIG) | |
| 70 | |
| 71 self._dm = dependency_manager.DependencyManager( | |
| 72 [dependency_manager.BaseConfig(c) for c in config_files]) | |
| 73 | |
| 74 def FetchPath(self, dependency, arch=None, device=None): | |
| 75 if self._dm is None: | |
| 76 self.Initialize() | |
| 77 if dependency in _ANDROID_BUILD_TOOLS: | |
| 78 self.FetchPath('android_build_tools_libc++', arch=arch, device=device) | |
| 79 return self._dm.FetchPath(dependency, _GetPlatform(arch, device)) | |
| 80 | |
| 81 def LocalPath(self, dependency, arch=None, device=None): | |
| 82 if self._dm is None: | |
| 83 self.Initialize() | |
| 84 return self._dm.LocalPath(dependency, _GetPlatform(arch, device)) | |
| 85 | |
| 86 | |
| 87 def _GetPlatform(arch, device): | |
| 88 if not arch: | |
| 89 arch = device.product_cpu_abi if device else 'host' | |
| 90 return 'android_%s' % arch | |
| 91 | |
| 92 | |
| 93 config = _Environment() | |
| 94 | |
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Chromium Code Reviews
Issue 1415413005:
Revert of [Android] Add a configurable environment for devil/. (RELAND) (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master